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m1rc3/norruption/4/LOG: detailed log of the M1pre-rc4 tests

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Werner Almesberger 2011-12-19 14:47:48 -03:00
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commit ce6a4d8ce1
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--- Fri 2011-12-16 ------------------------------------------------------------
reflash_m1.sh --release 2011-07-13
wget http://milkymist.org/updates/2011-07-13/for-rc3/boot.4e53273.bin
flterm --port /dev/ttyUSB0 --kernel boot.4e53273.bin
Check image CRCs: all but bios-rescue.bin pass. (bios-rescue has the
MAC issue.)
Configured to 1024x768, US keyboard, Ethernet off, performance mode,
only the "Tunnel" to patch.
10:29 test run starts (2/d9/, using 2/aloop)
--- Sat 2011-12-17 ------------------------------------------------------------
12:33 interrupted after completing cycle 5000
dumplock: all locks read zero ("unlocked")
CRC check: no anomalies
12:34 started test run (2/d10/)
--- Sun 2011-12-18 ------------------------------------------------------------
14:39 interrupted after completing cycle 5002
dumplock: all locks read zero ("unlocked")
CRC check: no anomalies
standby partition bytewise comparison: only difference at the end
14:44 started test run (2/d11/)
--- Mon 2011-12-19 ------------------------------------------------------------
11:42 stopped after completing cycle 4019
dumplock: all locks read zero ("unlocked")
CRC check: no anomalies
standby partition bytewise comparison: only difference at the end
If we assume that occurrence of NOR corruption follows an exponential
distribution with lambda = 1/700, then such corruption would have
been observed in the above 14002 cycles with a probability of
1-exp(-1/700*(5000+5002+4019)) = 99.9999998%.